21105460436

素因数分解:

$2^2\times {\mathrm{76717}}^1\times {\mathrm{68777}}^1$

素因数の和:145498

約数の個数: 12

約数和(自身を含む): 36935574228

約数和(自身を除く): 15830113792

約数列:

[1, 2, 4, 68777, 76717, 137554, 153434, 275108, 306868, 5276365109, 10552730218, 21105460436]

約数ペア:

[(1, 21105460436), (2, 10552730218), (4, 5276365109), (68777, 306868), (76717, 275108), (137554, 153434)]